19004889605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{254911}}^1$

素因数の和:254997

約数の個数: 32

約数和(自身を含む): 26037731328

約数和(自身を除く): 7032841723

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 1147, 2015, 2405, 5735, 14911, 74555, 254911, 1274555, 3313843, 7902241, 9431707, 16569215, 39511205, 47158535, 102729133, 122612191, 292382917, 513645665, 613060955, 1461914585, 3800977921, 19004889605]

約数ペア:

[(1, 19004889605), (5, 3800977921), (13, 1461914585), (31, 613060955), (37, 513645665), (65, 292382917), (155, 122612191), (185, 102729133), (403, 47158535), (481, 39511205), (1147, 16569215), (2015, 9431707), (2405, 7902241), (5735, 3313843), (14911, 1274555), (74555, 254911)]